Window_WarningTip.xaml

<Window x:Class="FLY.ControlLibrary.Window_WarningTip"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Window_Tip" Width="800" Height="430" WindowStyle="None" ShowInTaskbar="False" ResizeMode="NoResize" Loaded="Window_Loaded" HorizontalContentAlignment="Right" VerticalContentAlignment="Bottom"  WindowStartupLocation="CenterScreen"  AllowsTransparency="True" Background="{x:Null}" >
    <Window.Resources>
        <ResourceDictionary>

            <Style TargetType="Button" x:Key="ButtonStyle2">
                <Setter Property="Width" Value="185"/>
                <Setter Property="Height" Value="85"/>
                <Setter Property="Foreground" Value="#FFFFFFFF" />
                <Setter Property="FontWeight" Value="Bold" />
                <Setter Property="FontSize" Value="48" />
                <Setter Property="FontFamily" Value="Microsoft Sans Serif" />
                <Setter Property="Background" Value="#FF3B3B3B" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type Button}">
                            <StackPanel Orientation="Vertical">
                                <Border Background="{TemplateBinding Background}" Height="{TemplateBinding Height}" Width="{TemplateBinding Width}">
                                    <ContentPresenter RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                                </Border>
                            </StackPanel>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsKeyboardFocused" Value="true">
                                </Trigger>
                                <Trigger Property="IsEnabled" Value="false">
                                </Trigger>
                                <Trigger Property="IsPressed" Value="true">
                                    <Setter Property="Opacity" Value="0.5"/>
                                </Trigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
        </ResourceDictionary>
    </Window.Resources>


    <Grid>
        <Border Background="Red" Opacity="0.9" />
        <StackPanel Margin="80,40">
            <TextBlock Text="{Binding Title}" FontWeight="Bold" FontSize="72" FontFamily="Microsoft Sans Serif" Margin="40,20" Foreground="White" />
            <TextBlock Text="{Binding Message}" FontWeight="Bold" FontSize="36" FontFamily="Microsoft Sans Serif" Margin="40,20" TextWrapping="Wrap" Foreground="White" />
        </StackPanel>
        <StackPanel Orientation="Horizontal" FlowDirection="RightToLeft" VerticalAlignment="Bottom" Margin="10,0">
            <StackPanel.Resources>
                <Style TargetType="Button">
                    <Setter Property="FlowDirection" Value="LeftToRight"/>
                    <Setter Property="Width" Value="182"/>
                    <Setter Property="Height" Value="82"/>
                    <Setter Property="Margin" Value="10"/>
                    <Setter Property="Background" Value="Red"/>
                    <Setter Property="Foreground" Value="White"/>
                    <Setter Property="FontSize" Value="48"/>
                    <Setter Property="FontWeight" Value="Bold"/>
                    <Setter Property="Template">
                        <Setter.Value>
                            <ControlTemplate TargetType="{x:Type Button}">
                                <StackPanel Orientation="Vertical">
                                    <Border BorderThickness="2" BorderBrush="White" Background="{TemplateBinding Background}" Height="{TemplateBinding Height}" Width="{TemplateBinding Width}">
                                        <ContentPresenter RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                                    </Border>
                                </StackPanel>
                                <ControlTemplate.Triggers>
                                    <Trigger Property="IsKeyboardFocused" Value="true">
                                    </Trigger>
                                    <Trigger Property="IsEnabled" Value="false">
                                    </Trigger>
                                    <Trigger Property="IsPressed" Value="true">
                                        <Setter Property="Opacity" Value="0.5"/>
                                    </Trigger>
                                </ControlTemplate.Triggers>
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>

            </StackPanel.Resources>
            <Button Content="{Binding OKContent}" FontFamily="Microsoft Sans Serif" Click="button_ok_Click"/>
        </StackPanel>

    </Grid>
</Window>